Heatgen™ Max Thermal Fleece Leggings

These supersoft, lightweight leggings will keep you cosy on colder days. They're made from fleece with Heatgen™ Max technology which helps to lock in

Heatgen™ Medium Fleece Thermal Leggings, M&S Collection

13 Best Thermal Leggings for Winter Training: Editor's Picks

Made with Heatgen Plus™ thermal technology, these lightweight leggings are great for staying warm on chilly days. Added stretch for a comfortable fit.

Heatgen™ Medium Fleece Thermal Leggings

Marks & Spencer Women's Heatgen Thermal Underwear Leggings, Navy, 2 : : Clothing, Shoes & Accessories

Leggings & shorts, Women

Heatgen Plus™ Thermal Long Sleeve Top

Buy Women Heatgen Thermals

Shop Marks & Spencer Women's Fashion Thermal Trousers up to 60

I compared Asda and Primark thermals to Marks and Spencer and there was a clear winner - Dianne Bourne - Manchester Evening News